Last Night's Look: Hit or Miss?

Check out the head-turning outfits Kate Winslet, Emma Stone and more stars were just spotted in! Then decide – fabulous or fashion fail?

KATY PERRY

Her Smurfs film may have come out last year, but the singer is still thinking blue in a two-tone flared Roland Mouret dress, platform sandals and a Solange Azagury-Partridge ring for the Glendale, Calif., launch of her false lashes line.